Warning: Permanently added '10.128.1.92' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 46.280243][ T3036] loop0: detected capacity change from 0 to 2048 [ 46.286520][ T3037] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 46.286711][ T3036] INFO: trying to register non-static key. [ 46.290465][ T3036] The code is fine but needs lockdep annotation, or maybe [ 46.292262][ T3036] you didn't initialize this object before use? [ 46.293832][ T3036] turning off the locking correctness validator. [ 46.295406][ T3036] CPU: 0 PID: 3036 Comm: syz-executor104 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 46.298262][ T3036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 46.300687][ T3036] Call trace: [ 46.301471][ T3036] dump_backtrace+0x1c4/0x1f0 [ 46.302622][ T3036] show_stack+0x2c/0x54 [ 46.303649][ T3036] dump_stack_lvl+0x104/0x16c [ 46.304906][ T3036] dump_stack+0x1c/0x58 [ 46.305980][ T3036] assign_lock_key+0x134/0x140 [ 46.307167][ T3036] register_lock_class+0xc4/0x2f8 [ 46.308461][ T3036] __lock_acquire+0xa8/0x30a4 [ 46.309605][ T3036] lock_acquire+0x100/0x1f8 [ 46.310681][ T3036] down_read+0x5c/0x78 [ 46.311695][ T3036] nilfs_bmap_lookup_at_level+0x4c/0x168 [ 46.313059][ T3036] nilfs_mdt_submit_block+0x164/0x4bc [ 46.314432][ T3036] nilfs_mdt_read_block+0x58/0x22c [ 46.315715][ T3036] nilfs_mdt_get_block+0x5c/0xcc [ 46.316915][ T3036] nilfs_palloc_get_block+0xb4/0x18c [ 46.318231][ T3036] nilfs_palloc_get_entry_block+0x90/0xa4 [ 46.319598][ T3036] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 46.321019][ T3036] nilfs_iget+0xac/0x33c [ 46.322018][ T3036] nilfs_get_root_dentry+0x38/0x180 [ 46.323281][ T3036] nilfs_fill_super+0x1e4/0x2f8 [ 46.324468][ T3036] nilfs_mount+0x370/0x52c [ 46.325555][ T3036] legacy_get_tree+0x30/0x74 [ 46.326653][ T3036] vfs_get_tree+0x40/0x140 [ 46.327740][ T3036] do_new_mount+0x1dc/0x4e4 [ 46.328846][ T3036] path_mount+0x358/0x914 [ 46.329930][ T3036] __arm64_sys_mount+0x2c4/0x3c4 [ 46.331341][ T3036] el0_svc_common+0x138/0x220 [ 46.332525][ T3036] do_el0_svc+0x48/0x164 [ 46.333548][ T3036] el0_svc+0x58/0x150 [ 46.334509][ T3036] el0t_64_sync_handler+0x84/0xf0 [ 46.335751][ T3036] el0t_64_sync+0x18c/0x190 [ 46.336919][ T3036] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 46.339108][ T3036] Mem abort info: [ 46.339951][ T3036] ESR = 0x0000000096000006 [ 46.341004][ T3036] EC = 0x25: DABT (current EL), IL = 32 bits [ 46.342367][ T3036] SET = 0, FnV = 0 [ 46.343243][ T3036] EA = 0, S1PTW = 0 [ 46.344147][ T3036] FSC = 0x06: level 2 translation fault [ 46.345478][ T3036] Data abort info: [ 46.346333][ T3036] ISV = 0, ISS = 0x00000006 [ 46.347420][ T3036] CM = 0, WnR = 0 [ 46.348350][ T3036] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010c72a000 [ 46.350035][ T3036] [0000000000000000] pgd=080000010c73a003, p4d=080000010c73a003, pud=080000010c73f003, pmd=0000000000000000 [ 46.352633][ T3036] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 46.354215][ T3036] Modules linked in: [ 46.355107][ T3036] CPU: 0 PID: 3036 Comm: syz-executor104 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 46.357498][ T3036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 46.360025][ T3036] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 46.361928][ T3036] pc : nilfs_bmap_lookup_at_level+0x5c/0x168 [ 46.363375][ T3036] lr : nilfs_bmap_lookup_at_level+0x4c/0x168 [ 46.364819][ T3036] sp : ffff80000fb6b810 [ 46.365819][ T3036] x29: ffff80000fb6b820 x28: 000000000000002c x27: 0000000000000000 [ 46.367750][ T3036] x26: ffff80000cd66a91 x25: ffff0000ca4ca4f8 x24: 0000000000000000 [ 46.369671][ T3036] x23: 0000000000000002 x22: ffff0000ca4ca3b8 x21: ffff80000fb6b860 [ 46.371665][ T3036] x20: 0000000000000001 x19: ffff0000ca4ca3f0 x18: 00000000000000c0 [ 46.373607][ T3036] x17: 6e69676e45206574 x16: 0000000000000001 x15: 0000000000000000 [ 46.375559][ T3036] x14: 0000000000000000 x13: 205d363330335420 x12: 5b5d313537353333 [ 46.377456][ T3036] x11: ff808000095d1a0c x10: 0000000000000000 x9 : ffff0000c6a30000 [ 46.379407][ T3036] x8 : 0000000000000000 x7 : 205b5d3135373533 x6 : ffff80000819545c [ 46.381316][ T3036] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 46.383229][ T3036] x2 : 0000000000000001 x1 : 0000000000000002 x0 : ffff0000ca4ca3b8 [ 46.385182][ T3036] Call trace: [ 46.385966][ T3036] nilfs_bmap_lookup_at_level+0x5c/0x168 [ 46.387347][ T3036] nilfs_mdt_submit_block+0x164/0x4bc [ 46.388671][ T3036] nilfs_mdt_read_block+0x58/0x22c [ 46.389909][ T3036] nilfs_mdt_get_block+0x5c/0xcc [ 46.391112][ T3036] nilfs_palloc_get_block+0xb4/0x18c [ 46.392387][ T3036] nilfs_palloc_get_entry_block+0x90/0xa4 [ 46.393720][ T3036] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 46.395091][ T3036] nilfs_iget+0xac/0x33c [ 46.396109][ T3036] nilfs_get_root_dentry+0x38/0x180 [ 46.397358][ T3036] nilfs_fill_super+0x1e4/0x2f8 [ 46.398530][ T3036] nilfs_mount+0x370/0x52c [ 46.399607][ T3036] legacy_get_tree+0x30/0x74 [ 46.400717][ T3036] vfs_get_tree+0x40/0x140 [ 46.401786][ T3036] do_new_mount+0x1dc/0x4e4 [ 46.402827][ T3036] path_mount+0x358/0x914 [ 46.403869][ T3036] __arm64_sys_mount+0x2c4/0x3c4 [ 46.405059][ T3036] el0_svc_common+0x138/0x220 [ 46.406218][ T3036] do_el0_svc+0x48/0x164 [ 46.407244][ T3036] el0_svc+0x58/0x150 [ 46.408206][ T3036] el0t_64_sync_handler+0x84/0xf0 [ 46.409428][ T3036] el0t_64_sync+0x18c/0x190 [ 46.410521][ T3036] Code: f9406ec8 aa1603e0 aa1703e1 2a1403e2 (f9400108) [ 46.412224][ T3036] ---[ end trace 0000000000000000 ]--- [ 46.538604][ T3036] Kernel panic - not syncing: Oops: Fatal exception [ 46.540251][ T3036] SMP: stopping secondary CPUs [ 46.541403][ T3036] Kernel Offset: disabled [ 46.542427][ T3036] CPU features: 0x00000,02070084,26017203 [ 46.543789][ T3036] Memory Limit: none [ 46.672473][ T3036] Rebooting in 86400 seconds..